345979726 has 4 divisors (see below), whose sum is σ = 518969592. Its totient is φ = 172989862.

The previous prime is 345979723. The next prime is 345979729. The reversal of 345979726 is 627979543.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (345979723) and next prime (345979729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345979723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86494930 + ... + 86494933.

It is an arithmetic number, because the mean of its divisors is an integer number (129742398).

Almost surely, 2^345979726 is an apocalyptic number.

345979726 is a deficient number, since it is larger than the sum of its proper divisors (172989866).

345979726 is a wasteful number, since it uses less digits than its factorization.

345979726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172989865.

The product of its digits is 2857680, while the sum is 52.

The square root of 345979726 is about 18600.5302612587. The cubic root of 345979726 is about 702.0211829010.

The spelling of 345979726 in words is "three hundred forty-five million, nine hundred seventy-nine thousand, seven hundred twenty-six".